Sano, Hiroaki, Mikio Yamada, Nozomu Kotake, Toshifumi Mae, Koichiro Ogata, and Hideo Kawahara. 2023. “ESTIMATING GYPSUM HEMIHYDRATE CONTENT USING DENSITY OF GYPSUM RECYCLED FROM WASTE GYPSUM BOARD”. GEOMATE Journal 25 (111):220-29. https://geomatejournal.com/geomate/article/view/3736.